Top 25 sunspot regions

On this page you will find an overview of the largest sunspot regions since June 1996. This page is updated daily. Sunspot information comes from the NOAA SWPC.

Region Size Number of
sunspots
Class Magn. Class Spot
12014/10/272192275060FKC
22003/10/3004862610108FKC
32001/03/309393244051FKI
42000/09/209169214028FKC
52004/07/220652201067FKC
62002/08/200069199060EKC
72003/10/310488175034FKC
82003/10/230484175056EKC
92005/01/170720163037EKC
102014/02/051967158073FKC
112014/01/0919441560118FKC
122011/11/051339154033FKC
132002/09/110105152040FKI
141998/09/048323146033FKC
152012/07/131520146053FKC
162005/09/100808143038FKC
172001/11/119690142074FKC
181999/08/038651137043FKI
192004/08/140656136099FKC
202002/07/170030135071FKC
212011/09/251302130012FKC
222000/05/168996128045EKC
231999/11/198765128035EKC
242012/03/081429127028DKC
252003/06/120375125041FKC
Current data suggest that it is not possible to see aurora now at middle latitudes
The solar wind speed is currently moderately high (512.6 km/sec.)

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 30% 35%
Middle latitude 10% 1%
Predicted Kp max 4
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Last Quarter

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2017/12/05Kp5 (G1)
Number of spotless days in 2017:94
Last spotless day:2017/12/09

This day in history*

Solar flares
12001M5.6
22001M4.8
32001M3.0
42000M1.3
52001C9.3
ApG
1200428G1
2200627G1
3200325G1
4201418
5199415
*since 1994